Collapsible heart valve sizer



FIG. 1 is a perspective view of a collapsible heart valve sizer inaccordance with a fourth embodiment.

FIG. 2 is left side elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right elevation view thereof.

FIG. 5 is a front elevation view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

CLAIM The ornamental design for a collapsible heart valve sizer, asshown and described.